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Old 01-05-2010, 11:54 AM   #1
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check engine light

any suggestions on 1999 wrangler 4.0L check engine light just came on and it runs fine?

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Old 01-05-2010, 12:16 PM   #2
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Check your error codes first.

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Old 01-05-2010, 12:22 PM   #3
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If you don't have a scanner go to a store like autozone or advanced auto and have it read then clearred to find out what it is and see if it comes back
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Old 01-05-2010, 12:24 PM   #4
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If it's running fine, and you can't find any errors, unhook/hook your battery and see if it clears. If it comes on again, investigate further.
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Old 01-05-2010, 12:25 PM   #5
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He should be able to check with key trick shouldn't he?North kadota?Might just be the temps and moisture foolin with you abit.
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Old 01-05-2010, 01:35 PM   #6
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Thanks guys
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Old 01-05-2010, 01:36 PM   #7
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Yeah man turn the ignition on and off 3 times and then leave it on and it will display the codes for you. Then google the code and fix the sucka.

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